共 50 条
- [42] THE 2-SIDED FACTORIZATION OF ORDINARY DIFFERENTIAL-OPERATORS CANADIAN JOURNAL OF MATHEMATICS-JOURNAL CANADIEN DE MATHEMATIQUES, 1980, 32 (05): : 1045 - 1057
- [43] COMPLETENESS OF EIGENFUNCTIONS OF QUADRATIC BEAMS OF ORDINARY DIFFERENTIAL-OPERATORS IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII MATEMATIKA, 1992, (03): : 35 - 44
- [45] GEVREY SOLVABILITY OF DIFFERENTIAL-OPERATORS WITH CONSTANT-COEFFICIENTS COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE I-MATHEMATIQUE, 1984, 299 (02): : 57 - 59
- [46] THE GREEN-FUNCTION OF ORDINARY DIFFERENTIAL-OPERATORS OF HIGH-ORDER WITH OPERATOR COEFFICIENTS ON A HALF AXIS IZVESTIYA AKADEMII NAUK AZERBAIDZHANSKOI SSR SERIYA FIZIKO-TEKHNICHESKIKH I MATEMATICHESKIKH NAUK, 1981, (04): : 33 - 38